18 



BULLETIN 1320, IT. S. DEPARTMENT OF AGRICULTURE 



en 





»- - s 



\,> 



n 



i 



i 



id'. 



L 



£ 



j 3 



h 



vj 



1 



.-s 



«,.. 



„> 



k 



'S 



6 



. --'*■ 



<i 



L 



F 3 



C 



i 



&77/AV A// 

 3XA/&7& & 



&&/3A//&M? 



^77/// AV/ 

 £XA/ir7&& 



&ZV/PG&' /// 'A/&JLZ&9 tZZZT^? <77?/A 



S&M70*' A// 'A70UJZ&& &&&&s/0 "&&SU 



' 



£?a 



S"77/A/ A// || 

 SUA/6^7c/^ %% 



jaz&yszM?AV/ J| 



a§ 



SCO 



<bt3 



bo cfl 



.a a 



ss 



^ a) 

 o o 

 do 



Sis 



a 2 



ill 



